Abstract
AIM: to investigate the effectiveness of 10% povidone-iodine after a 30-second or 2-minute drying time on microbial count reduction at the point of a Peripheral Intravascular Catheter (PIC) insertion. A quasi-experimental design was adopted. In total, 53 patients were enrolled, 25 were exposed to a 2-m drying time and 28 to a 30-s drying time. From the preliminary results of this study, no differences in the occurrence of contamination have emerged between patients receiving 30-s and 2-m drying time for 10% povidone-iodine solutions.
Highlights
The Peripheral Intravascular Catheter (PIC) is widely used in nursing clinical practice
The analysis showed that drying time (30-s vs. 2-m) was not significantly associated with contamination (CFUs≥15) at T1: in its preliminary phase and among its several limitations, this exploratory study shows that the drying time should be less than 2 minutes and these results might help nurses in their practice
Intravenous therapy is largely used for Emergency Department (ED) patients via PICs inserted by nurses
Summary
The Peripheral Intravascular Catheter (PIC) is widely used in nursing clinical practice. While different antiseptic solutions should be used (e.g., >0.5% chlorhexidine, iodophor), there is a general lack of recommendations regarding the disinfection drying time, even in the most recent guidelines[4]. In the event of contraindication of the use of chlorhexidine[4], a solution with 10% povidone-iodine is recommended and drying time is necessary for it to release free iodine against the cell wall of the microorganism and to replace the content with iodine[7].The previous guidelines on intravascular catheters[5,6] recommend allowing for a drying time of 2 minutes, but no experimental data support this advice. Commentary that likewise lacks support from experimental data reported that a 10% povidone-iodine solution would be effective after drying for 90 seconds[8]
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